free fall是什么意思 free fall怎么读
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异体字：free-fall
free fall的英文翻译是什么意思，词典释义与在线翻译
Noun:- the ideal falling motion of something subject only to a gravitational field
- a sudden sharp decrease in some quantity;
"a drop of 57 points on the Dow Jones index"
"there was a drop in pressure in the pulmonary artery"
"a dip in prices"
"when that became known the price of their stock went into free fall"
free fall的相关资料
fallv.落下；倒下；来临n.秋天；落下；瀑布dropvt.落下；跌倒；下降；放弃；漏掉；断绝关系n.滴；微量；减少；滴状物dipv.浸；蘸；下沉；倾斜；掏取；浏览n.浸泡；浸；蘸；倾斜；下降
free fall的用法和样例
- For large, extended chords thrust is preferable to free fall.
用推力动作弹奏伸展的大和弦优于自由下落动作。 - It was observed that, with a wider orifice, kinematic arching effect vanishes and even free gravity-fall arises.
在大出口情况，结拱不易形成，并出现颗粒自由下落现象。
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